Title:
Chocks
Document Type and Number:
United States Patent 2992704

Inventors:
Showker, Lucille G.
Showker, Randolph S.
Publication Date:
07/18/1961
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Assignee:
John, Harrison Q.
Primary Class:
188/32
International Classes:
B64F1/16; B64F1/00
US Patent References:
2184487Folding chock
2189323Automobile wheel wedge
2442501Chock block
2522104Self-retracting wheel chock for automotive vehicles


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